Microsoft rolls out new Windows 10 update and laptops

Microsoft has begun rolling out an update to its Windows 10 operating system, hoping to spark enthusiasm for its virtual and augmented-reality ambitions.The semi-annual update became available Tuesday. Along with virtual experiences, the Fall Creators Update brings new ways to share photos and video and work with 3-D imagery.Several of Microsoft's partners — Acer, Dell, HP and Lenovo — are simultaneously launching their first "Windows Mixed Reality" headsets Tuesday. Samsung is relea